---
layout: default
---

<!-- Image to hack wechat -->
<!-- <img src="/img/icon_wechat.png" width="0" height="0"> -->
<!-- <img src="{{ site.baseurl }}/{% if page.header-img %}{{ page.header-img }}{% else %}{{ site.header-img }}{% endif %}" width="0" height="0"> -->

<!-- Post Header -->
{% include intro-header.html type='keynote' %}


<!-- Post Content -->
<article>
	<div class="container">
		<div class="row">

			<!-- Post Container -->
			<div class="post-container
				col-lg-8 col-lg-offset-2
				col-md-10 col-md-offset-1 ">

				{{ content }}

				<hr style="visibility: hidden;">
				<ul class="pager">
					{% if page.previous.url %}
					<li class="previous">
						<a href="{{ page.previous.url | prepend: site.baseurl | replace: '//', '/' }}" data-toggle="tooltip" data-placement="top" title="{{page.previous.title}}">
						Previous<br>
						<span>{{page.previous.title}}</span>
						</a>
					</li>
					{% endif %}
					{% if page.next.url %}
					<li class="next">
						<a href="{{ page.next.url | prepend: site.baseurl | replace: '//', '/' }}" data-toggle="tooltip" data-placement="top" title="{{page.next.title}}">
						Next<br>
						<span>{{page.next.title}}</span>
						</a>
					</li>
					{% endif %}
				</ul>
				<hr style="visibility: hidden;">

				{% if site.disqus_username %}
				<!-- disqus 评论框 start -->
				<div class="comment">
					<div id="disqus_thread" class="disqus-thread">

					</div>
				</div>
				<!-- disqus 评论框 end -->
				{% endif %}

			</div>

			<!-- Sidebar Container -->
			<div class="sidebar-container
				col-lg-8 col-lg-offset-2
				col-md-10 col-md-offset-1 ">

				<!-- Featured Tags -->
				{% include featured-tags.html %}

				<!-- Friends Blog -->
				{% include friends.html %}

			</div>
		</div>
	</div>
</article>

<!-- resize header to fullscreen keynotes -->
<script>
	var $header = document.getElementsByTagName("header")[0];
	function resize(){
		/*
		 * leave 85px to both
		 * - told/imply users that there has more content below
		 * - let user can scroll in mobile device, seeing the keynote-view is unscrollable
		 */
		$header.style.height = (window.innerHeight-85) + 'px';
	}
	document.addEventListener('DOMContentLoaded', function(){
		resize();
	})
	window.addEventListener('load', function(){
		resize();
	})
	window.addEventListener('resize', function(){
		resize();
	})
	resize();
</script>


{% if site.disqus_username %}
<!-- disqus 公共JS代码 start (一个网页只需插入一次) -->
<script type="text/javascript">
	/* * * CONFIGURATION VARIABLES * * */
	var disqus_shortname = "{{site.disqus_username}}";
	var disqus_identifier = "{{page.id}}";
	var disqus_url = "{{site.url}}{{page.url}}";

	(function() {
		var dsq = document.createElement('script'); dsq.type = 'text/javascript'; dsq.async = true;
		dsq.src = '//' + disqus_shortname + '.disqus.com/embed.js';
		(document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(dsq);
	})();
</script>
<!-- disqus 公共JS代码 end -->
{% endif %}



{% if site.anchorjs %}
<!-- async load function -->
<script>
	function async(u, c) {
		var d = document, t = 'script',
			o = d.createElement(t),
			s = d.getElementsByTagName(t)[0];
		o.src = u;
		if (c) { o.addEventListener('load', function (e) { c(null, e); }, false); }
		s.parentNode.insertBefore(o, s);
	}
</script>
<!-- anchor-js, Doc:http://bryanbraun.github.io/anchorjs/ -->
<script>
	async("//cdnjs.cloudflare.com/ajax/libs/anchor-js/1.1.1/anchor.min.js",function(){
		anchors.options = {
			visible: 'always',
			placement: 'right',
			icon: '#'
		};
		anchors.add().remove('.intro-header h1').remove('.subheading').remove('.sidebar-container h5');
	})
</script>
<style>
	/* place left on bigger screen */
	@media all and (min-width: 800px) {
		.anchorjs-link{
			position: absolute;
			left: -0.75em;
			font-size: 1.1em;
			margin-top : -0.1em;
		}
	}
</style>
{% endif %}
